出错信息:SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-20,20' at line 1
出错SQL:select * from ex_product where pro_bigid=2 and pro_smallid=4 order by pro_index limit -20,20
出错文件地址:/www/wwwroot/aabolo.com/inc/mysql_class.php
出错行号:181行
出错代码:42000